Grid IoT Reference Design: Connecting Circuit Breakers and Sensors to Other Equipment using Wi-Fi®
TIDA-010007
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Key Document

Description

This reference design showcases integrating Wi-Fi® capability to enhance connectivity in grid equipment for asset monitoring using the CC3220 device, SimpleLink Wi-Fi and IoT, single chip wireless MCU with integrated network processor and applications processor. The design enables  the capability to setup a Wi-Fi network or connect to an external network, transfer data and optimize power. Data transfer scheme includes sending/receiving control, status, settings, firmware updates over the air between devices or to the cloud. Switching the device between always connected, intermittently connected, and hibernate mode optimizes power consumption for grid applications.

Features
  • Wi-Fi Connectivity: Wi-Fi radio with integrated network processor and applications processor (ARM® Cortex®-M4) for internet of things (IoT) integration into industrial and residential equipment
    • Single system-on-chip (SoC) optimized for performance and size
    • Chip-level, Wi-Fi Alliance Wi-Fi® CERTIFIED™
    • Provisioning made easy with SmartConfig™ in addition to application point (AP) provisioning
  • System architecture:
    • Two connection schemes: Connection to external AP (device as STA), device as AP
    • Data transfer schemes: Always connected, intermittently connected
  • Power consumption: Optimized for wired and battery operation
    • Always Connected: <700 μA (Beacon only)
    • Intermittently Connected: <3 mA (5 s interval), <1.5 mA (10 s interval)
    • Device low power modes: Hibernate ( < 10 μA), LPDS (<150 μA, 20 mA peak)
  • Security features:128-bit unique device ID, secure boot of MCU image, internal HTTPS server for AP provisioning, MQTT over TLS, secure over-the-air (OTA) update

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LAUNCHCC3220MODASF :
SimpleLink™ Wi-Fi® CC3220MODASF LaunchPad™ Development Kit

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TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CC3220MODA  SimpleLink Wi-Fi® CERTIFIED® Wireless Module Solutions With Antenna  SimpleLink Solutions  Sample & Buy View Design Kits & Evaluation Modules
OPA4342  Low Cost, Low Power, Rail-to-Rail Operational Amplifiers MicroAmplifier™ Series  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
TMP116  ±0.2°C Accurate Digital Temperature Sensor With NV Memory  Temperature sensors  Sample & Buy View Design Kits & Evaluation Modules
TPS62162  3V-17V 1A Step-Down Converters with DCS-Control™  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CC3220MODA Download -
OPA4342 Download Download
Download Download
Download Download
TMP116 Download Download
TPS62162 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 1163 10 May 2019
White papers (1)
Title Type Size (KB) Date
PDF 1123 08 Jan 2019
Design files (3)
Title Type Size (KB) Date
PDF 230 15 Aug 2018
PDF 126 15 Aug 2018
ZIP 6950 10 Aug 2017

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